. >> brown: julie r.o.v.er in of npr, thanks so much. >> you're welcome. >> ifill: now to the third in our series of reports from indonesia, where developing a male contraceptive is the new face of family planning. ray suarez reports. >> reporter: it doesn't look like much: six-feet tall, a leafy shrub growing amid the lush foliage of an indonesian forest. but a chemical locked in these leaves could become a useful tool for limiting population growth here in indonesia and potentially around the globe. to get to the plants, it's a one-hour hike or a white- knuckled motorcycle ride up a steep mountain path across two rickety wooden bridges. the plant is called gandarusa and its medicinal qualities have been known to people here for centuries. traditionally, it has been brewed into an herbal remedy for stress to calm the nerves. but for a long time, there had been talk of an unexpected side effect: reduced fertility. now researchers in surabaya, on the eastern edge of the island of java, are drying the leaves, chopping them up, extracting the active chemical, and putting it in capsule for